pISSN 0374-4914
eISSN 2289-0041

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L’yi* WS.  Feynman Diagrammatic Calculation Technique in Non-relativistic Quantum Mechanical Perturbation Theory.  New Phys.: Sae Mulli 2022;72:537-543.  https://doi.org/10.3938/NPSM.72.537